ืคื™ื™ื˜ื™ื ื’ ืคึฟืึทืจ ืžื™ืœื™ืกืขืงืึทื ื“ื–. ื•ื•ื™ ืฆื• ืงืœื™ื™ึทื‘ืŸ ืึท ืกืขืจื•ื•ืขืจ ืžื™ื˜ ื“ื™ ืœืึธื•ืึทืกื˜ ืคึผื™ื ื’

ืคึฟืึทืจ ืคื™ืœืข ื˜ืึทืกืงืก, ื“ื™ืœื™ื™ื– ืฆื•ื•ื™ืฉืŸ ื“ืขื ืงืœื™ืขื ื˜ ืื•ืŸ ื“ื™ ืกืขืจื•ื•ืขืจ ื–ืขื ืขืŸ ืงืจื™ื˜ื™ืฉ, ืœืžืฉืœ ืื™ืŸ ืึธื ืœื™ื™ืŸ ืฉืคึผื™ืœืขืจื™ื™ึท, ื•ื•ื™ื“ืขื / ืงื•ืœ ืงืึทื ืคืจืึทื ืกื™ื ื’, IP ื˜ืขืœืขืคืึธืŸ, ื•ื•ืคึผืŸ, ืขื˜ืง. ืื•ื™ื‘ ื“ืขืจ ืกืขืจื•ื•ืขืจ ืื™ื– ืฆื• ื•ื•ื™ื™ึทื˜ ืคื•ืŸ ื“ืขื ืงืœื™ืขื ื˜ ืื•ื™ืฃ ื“ื™ IP ื ืขืฅ ืžื“ืจื’ื”, ื“ื™ ื“ื™ืœื™ื™ื– (ืคึผืึทืคึผื™ืึทืœืขืจืœื™ ื’ืขืจื•ืคืŸ "ืคึผื™ื ื’", "ืึธืคึผืฉื˜ื™ื™") ื•ื•ืขื˜ ืึทืจื™ื™ึทื ืžื™ืฉื  ื–ื™ืš ืžื™ื˜ ืึทืจื‘ืขื˜.

ื“ื–ืฉื™ืึทื’ืจืึทืคื™ืง ืคึผืจืึทืงืกื™ืžืึทื˜ื™ ืคื•ืŸ ืึท ืกืขืจื•ื•ืขืจ ืื™ื– ื ื™ื˜ ืฉื˜ืขื ื“ื™ืง ื’ืœื™ื™ึทืš ืคึผืจืึทืงืกื™ืžืึทื˜ื™ ืื•ื™ืฃ ื“ื™ IP ืจื•ื˜ื™ื ื’ ืžื“ืจื’ื”. ืึทื–ื•ื™, ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ืึท ืกืขืจื•ื•ืขืจ ืื™ืŸ ืืŸ ืื ื“ืขืจ ืœืึทื ื“ ืงืขืŸ ื–ื™ื™ืŸ "ื ืขืขื ื˜ืขืจ" ืฆื• ืื™ืจ ื•ื•ื™ ืึท ืกืขืจื•ื•ืขืจ ืื™ืŸ ื“ื™ื™ืŸ ืฉื˜ืึธื˜. ืึทืœืข ืจืขื›ื˜ ืฆื• ื“ื™ ืคึผื™ืงื™ื•ืœื™ืขืจืึทื˜ื™ื– ืคื•ืŸ ืจื•ื˜ื™ื ื’ ืื•ืŸ ื ืขืฅ ืงืึทื ืกื˜ืจืึทืงืฉืึทืŸ.

ืคื™ื™ื˜ื™ื ื’ ืคึฟืึทืจ ืžื™ืœื™ืกืขืงืึทื ื“ื–. ื•ื•ื™ ืฆื• ืงืœื™ื™ึทื‘ืŸ ืึท ืกืขืจื•ื•ืขืจ ืžื™ื˜ ื“ื™ ืœืึธื•ืึทืกื˜ ืคึผื™ื ื’

ื•ื•ื™ ืฆื• ืงืœื™ื™ึทื‘ืŸ ืึท ืกืขืจื•ื•ืขืจ ื•ื•ืึธืก ืื™ื– ื•ื•ื™ ื ืึธืขื ื˜ ื•ื•ื™ ืžืขื’ืœืขืš ืฆื• ืึทืœืข ืคึผืึธื˜ืขื ืฆื™ืขืœ ืงืœื™ื™ืึทื ืฅ? ื•ื•ืึธืก ืื™ื– IP ื ืขืฅ ืงืึทื ืขืงื˜ื™ื•ื•ื™ื˜ื™? ื•ื•ื™ ืฆื• ืคื™ืจืŸ ืึท ืงืœื™ืขื ื˜ ืฆื• ื“ื™ ื ื™ืจืึทืกื˜ ืกืขืจื•ื•ืขืจ? ื–ืืœ ืก ื’ืขืคื™ื ืขืŸ ืื•ื™ืก ืื™ืŸ ื“ืขื ืึทืจื˜ื™ืงืœ.

ืžืขืกื˜ืŸ ื“ื™ืœื™ื™ื–

ืขืจืฉื˜ืขืจ, ืœืึธืžื™ืจ ืœืขืจื ืขืŸ ื•ื•ื™ ืฆื• ืžืขืกื˜ืŸ ื“ื™ืœื™ื™ื–. ื“ื™ ืึทืจื‘ืขื˜ ืื™ื– ื ื™ืฉื˜ ืึทื–ื•ื™ ืคึผืฉื•ื˜ ื•ื•ื™ ืขืก ืงืขืŸ ื•ื™ืกืงื•ืžืขืŸ ื•ื•ื™ื™ึทืœ ื“ื™ืœื™ื™ื– ืงืขืŸ ื‘ื™ื™ึทื˜ืŸ ืคึฟืึทืจ ืคืึทืจืฉื™ื“ืขื ืข ืคึผืจืึธื˜ืึธืงืึธืœืก ืื•ืŸ ืคึผืึทืงืึทื˜ ืกื™ื–ืขืก. ืื™ืจ ืงืขืŸ ืื•ื™ืš ืคืึทืจืคื™ืจืŸ ืงื•ืจืฅ-ื˜ืขืจืžื™ืŸ ื’ืขืฉืขืขื ื™ืฉืŸ, ืึทื–ืึท ื•ื•ื™ ื“ื™ืคึผืก ื•ื•ืึธืก ื’ืขื“ื•ื™ืขืจืŸ ืึท ื‘ื™ืกืœ ืžื™ืœื™ืกืขืงืึทื ื“ื–.

ICMP - ืจืขื’ื•ืœืขืจ ืคึผื™ื ื’

ืžื™ืจ ื•ื•ืขืœืŸ ื ื•ืฆืŸ ื“ื™ Unix ืคึผื™ื ื’ ื ื•ืฆืŸ; ืขืก ืึทืœืึทื•ื– ืื™ืจ ืฆื• ืžืึทื ื™ื•ืึทืœื™ ืฉื˜ืขืœืŸ ื“ื™ ื™ื ื˜ืขืจื•ื•ืึทืœื– ืฆื•ื•ื™ืฉืŸ ืฉื™ืงื˜ ืคึผืึทืงื™ืฅ, ื•ื•ืึธืก ื“ื™ ืคึผื™ื ื’ ื•ื•ืขืจืกื™ืข ืคึฟืึทืจ Windows ืงืขืŸ ื ื™ืฉื˜ ื˜ืึธืŸ. ื“ืึธืก ืื™ื– ื•ื•ื™ื›ื˜ื™ืง ื•ื•ื™ื™ึทืœ ืื•ื™ื‘ ืขืก ื–ืขื ืขืŸ ืœืึทื ื’ ืคึผืึธื–ืึทื– ืฆื•ื•ื™ืฉืŸ ืคึผืึทืงื™ืฅ, ืื™ืจ ืงืขืŸ ืคืฉื•ื˜ ื ื™ืฉื˜ ื–ืขืŸ ื•ื•ืึธืก ืื™ื– ื’ืขืฉืขืขื ื™ืฉ ืฆื•ื•ื™ืฉืŸ ื–ื™ื™.

ืคึผืขืงืœ ื’ืจื™ื™ืก (ืึธืคึผืฆื™ืข -s) - ื“ื•ืจืš ืคืขืœื™ืงื™ื™ึทื˜, ื“ื™ ืคึผื™ื ื’ ื ื•ืฆืŸ ืกืขื ื“ื– ืคึผืึทืงื™ืฅ ืคื•ืŸ 64 ื‘ื™ื˜ืขืก ืื™ืŸ ื’ืจื™ื™ืก. ืžื™ื˜ ืึทื–ืึท ืงืœื™ื™ืŸ ืคึผืึทืงื™ืฅ, ื“ืขืจืฉื™ื™ื ื•ื ื’ืขืŸ ื•ื•ืึธืก ืคึผืึทืกื™ืจืŸ ืžื™ื˜ ื’ืจืขืกืขืจืข ืคึผืึทืงื™ืฅ ืงืขืŸ ื ื™ืฉื˜ ื–ื™ื™ืŸ ื‘ืืžืขืจืงื˜, ืึทื–ื•ื™ ืžื™ืจ ื•ื•ืขืœืŸ ืฉื˜ืขืœืŸ ื“ื™ ืคึผืึทืงืึทื˜ ื’ืจื™ื™ืก ืฆื• 1300 ื‘ื™ื˜ืขืก.

ืžืขื”ืึทืœืขืš ืฆื•ื•ื™ืฉืŸ ืคึผืึทืงื™ืฅ (ืึธืคึผืฆื™ืข - ืื™ืš) - ืฆื™ื™ื˜ ืฆื•ื•ื™ืฉืŸ ื“ืึทื˜ืŸ ืกืขื ื“ื–. ื“ื•ืจืš ืคืขืœื™ืงื™ื™ึทื˜, ืคึผืึทืงื™ืฅ ื–ืขื ืขืŸ ื’ืขืฉื™ืงื˜ ืึทืžืึธืœ ืคึผืขืจ ืกืขืงื•ื ื“ืข, ื“ืึธืก ืื™ื– ื–ื™ื™ืขืจ ืœืึทื ื’, ืคืึทืงื˜ื™ืฉ ืžื’ื™ืœื” ืฉื™ืงืŸ ื”ื•ื ื“ืขืจื˜ืขืจ ืื•ืŸ ื˜ื•ื™ื–ื ื˜ืขืจ ืคื•ืŸ ืคึผืึทืงื™ืฅ ืคึผืขืจ ืกืขืงื•ื ื“ืข, ืึทื–ื•ื™ ืžื™ืจ ื•ื•ืขืœืŸ ืฉื˜ืขืœืŸ ื“ื™ ื™ื ื˜ืขืจื•ื•ืึทืœ ืฆื• 0.1 ืกืขืงื•ื ื“ืข. ื“ืขืจ ืคึผืจืึธื’ืจืึทื ืคืฉื•ื˜ ื˜ื•ื˜ ื ื™ืฉื˜ ืœืึธื–ืŸ ื•ื•ื™ื™ื ื™ืงืขืจ.

ื•ื•ื™ ืึท ืจืขื–ื•ืœื˜ืึทื˜, ื“ื™ ื‘ืึทืคึฟืขืœ ืงื•ืงื˜ ื•ื•ื™ ื“ืึธืก:

ping -s 1300 -i 0.1 yandex.ru

ื“ืขื ืคึผืœืึทืŸ ืึทืœืึทื•ื– ืื™ืจ ืฆื• ื–ืขืŸ ืึท ืžืขืจ ืจืขืึทืœื™ืกื˜ื™ืฉ ื‘ื™ืœื“ ืคื•ืŸ ื“ื™ืœื™ื™ื–.

ืคึผื™ื ื’ ื“ื•ืจืš UDP ืื•ืŸ TCP

ืื™ืŸ ืขื˜ืœืขื›ืข ืงืึทืกืขืก, TCP ืงืึทื ืขืงืฉืึทื ื– ื–ืขื ืขืŸ ืคึผืจืึทืกืขืกื˜ ืึทื ื“ืขืจืฉ ื•ื•ื™ ICMP ืคึผืึทืงื™ืฅ, ืื•ืŸ ื•ื•ื™ื™ึทืœ ืคื•ืŸ ื“ืขื, ืžืขื–ืฉืขืจืžืึทื ืฅ ืงืขืŸ ื‘ื™ื™ึทื˜ืŸ ื“ื™ืคึผืขื ื“ื™ื ื’ ืื•ื™ืฃ ื“ืขื ืคึผืจืึธื˜ืึธืงืึธืœ. ืขืก ืื•ื™ืš ืึธืคื˜ ื›ืึทืคึผืึทื ื– ืึทื– ื“ืขืจ ื‘ืึทืœืขื‘ืึธืก ืคืฉื•ื˜ ื ื™ืฉื˜ ืจื™ืกืคึผืึทื ื“ ืฆื• ICMP, ืื•ืŸ ืจืขื’ื•ืœืขืจ ืคึผื™ื ื’ ื˜ื•ื˜ ื ื™ืฉื˜ ืึทืจื‘ืขื˜ืŸ. ื“ืึธืก ืื™ื– ื•ื•ืึธืก ืึท ื‘ืึทืœืขื‘ืึธืก ื˜ื•ื˜ ื–ื™ื™ืŸ ื’ืึทื ืฅ ืœืขื‘ืŸ, ืœืžืฉืœ. microsoft.com.

ื ื•ืฆืŸ nping ืคื•ืŸ ื“ื™ ื“ืขื•ื•ืขืœืึธืคึผืขืจืก ืคื•ืŸ ื“ื™ ื‘ืึทืจื™ืžื˜ ืกืงืึทื ืขืจ nmap ืงืขื ืขืŸ ื“ื–ืฉืขื ืขืจื™ื™ื˜ ืงื™ื™ืŸ ืคึผืึทืงื™ืฅ. ืขืก ืงืขื ืขืŸ ืื•ื™ืš ื–ื™ื™ืŸ ื’ืขื ื™ืฆื˜ ืฆื• ืžืขืกื˜ืŸ ื“ื™ืœื™ื™ื–.
ื–ื™ื ื˜ UDP ืื•ืŸ TCP ืึทืจื‘ืขื˜ืŸ ืื•ื™ืฃ ืกืคึผืขืฆื™ืคื™ืฉ ืึธื ืขืก, ืžื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• "ืคึผื™ื ื’" ืึท ืกืคึผืขืฆื™ืคื™ืฉ ืคึผืึธืจื˜. ืœืึธืžื™ืจ ืคึผืจื•ื‘ื™ืจืŸ ืฆื• ืคึผื™ื ื’ TCP 80, ื“ืึธืก ืื™ื– ื“ื™ ื•ื•ืขื‘ ืกืขืจื•ื•ืขืจ ืคึผืึธืจื˜:

$ sudo nping --tcp -p 80 --delay 0.1 -c 0 microsoft.com

Starting Nping 0.7.80 ( https://nmap.org/nping ) at 2020-04-30 13:07 MSK
SENT (0.0078s) TCP 10.0.0.1:63236 > 13.77.161.179:80 S ttl=64 id=49156 iplen=40  seq=3401731188 win=1480
SENT (0.1099s) TCP 10.0.0.1:63236 > 13.77.161.179:80 S ttl=64 id=49156 iplen=40  seq=3401731188 win=1480
RCVD (0.2068s) TCP 13.77.161.179:80 > 10.0.0.1:63236 SA ttl=43 id=0 iplen=44  seq=1480267007 win=64240 <mss 1440>
SENT (0.2107s) TCP 10.0.0.1:63236 > 13.77.161.179:80 S ttl=64 id=49156 iplen=40  seq=3401731188 win=1480
RCVD (0.3046s) TCP 13.77.161.179:80 > 10.0.0.1:63236 SA ttl=43 id=0 iplen=44  seq=1480267007 win=64240 <mss 1440>
SENT (0.3122s) TCP 10.0.0.1:63236 > 13.77.161.179:80 S ttl=64 id=49156 iplen=40  seq=3401731188 win=1480
RCVD (0.4247s) TCP 13.77.161.179:80 > 10.0.0.1:63236 SA ttl=42 id=0 iplen=44  seq=2876862274 win=64240 <mss 1398>

Max rtt: 112.572ms | Min rtt: 93.866ms | Avg rtt: 101.093ms
Raw packets sent: 4 (160B) | Rcvd: 3 (132B) | Lost: 1 (25.00%)
Nping done: 1 IP address pinged in 0.43 seconds

ื“ื•ืจืš ืคืขืœื™ืงื™ื™ึทื˜, nping ืกืขื ื“ื– 4 ืคึผืึทืงื™ืฅ ืื•ืŸ ืกื˜ืึทืคึผืก. ืึธืคึผืฆื™ืข -c 0 ื™ื ื™ื™ื‘ืึทืœื– ืกืึธืฃ ืฉื™ืงืŸ ืคื•ืŸ ืคึผืึทืงื™ืฅ; ืฆื• ื”ืึทืœื˜ืŸ ื“ืขื ืคึผืจืึธื’ืจืึทื, ืื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• ื“ืจื™ืงืŸ ืงื˜ืจืœ + C. ืกื˜ืึทื˜ื™ืกื˜ื™ืง ื•ื•ืขื˜ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื–ืŸ ืื™ืŸ ื“ื™ ืกื•ืฃ. ืžื™ืจ ื–ืขืŸ ืึทื– ื“ื™ ื“ื•ืจื›ืฉื ื™ื˜ืœืขืš ืจื˜ื˜ (ืงื™ื™ึทืœืขื›ื™ืง ื™ืึทื–ื“ืข ืฆื™ื™ื˜) ื•ื•ืขืจื˜ ืื™ื– 101ms.

MTR - ื˜ืจืึทืกืขืจืึธื•ื˜ืข ืื•ื™ืฃ ืกื˜ืขืจื•ื™ื“ื–

ืคึผืจืึธื’ืจืึทื MTR ืžื™ื™ึทืŸ ื˜ืจืึทืกืขืจืึธื•ื˜ืข ืื™ื– ืึท ืึทื•ื•ืึทื ืกื™ืจื˜ืข ื ื•ืฆืŸ ืคึฟืึทืจ ื˜ืจื™ื™ืกื™ื ื’ ืจื•ืฅ ืฆื• ืึท ื•ื•ื™ื™ึทื˜ ื‘ืึทืœืขื‘ืึธืก. ื ื™ื˜ ืขื ืœืขืš ื“ื™ ื’ืขื•ื•ื™ื™ื ื˜ืœืขืš ืกื™ืกื˜ืขื ื ื•ืฆืŸ ื˜ืจืึทืกืขืจืึธื•ื˜ืข (ืื™ืŸ Windows ื“ืึธืก ืื™ื– ื“ื™ ื˜ืจืึทืกืขืจื˜ ื ื•ืฆืŸ), ืขืก ืงืขื ืขืŸ ื•ื•ื™ื™ึทื–ืŸ ื“ื™ืœื™ื™ื– ืฆื• ื™ืขื“ืขืจ ื‘ืึทืœืขื‘ืึธืก ืื™ืŸ ื“ื™ ืคึผืึทืงืึทื˜ ืงื™ื™ื˜. ืขืก ืงืขื ืขืŸ ืื•ื™ืš ืฉืคึผื•ืจ ืจื•ืฅ ื ื™ื˜ ื‘ืœื•ื™ื– ื“ื•ืจืš ICMP, ืึธื‘ืขืจ ืื•ื™ืš ื“ื•ืจืš UDP ืื•ืŸ TCP.

$ sudo mtr microsoft.com

ืคื™ื™ื˜ื™ื ื’ ืคึฟืึทืจ ืžื™ืœื™ืกืขืงืึทื ื“ื–. ื•ื•ื™ ืฆื• ืงืœื™ื™ึทื‘ืŸ ืึท ืกืขืจื•ื•ืขืจ ืžื™ื˜ ื“ื™ ืœืึธื•ืึทืกื˜ ืคึผื™ื ื’
(ืงืœื™ืงืงืึทื‘ืœืข) MTR ืคึผืจืึธื’ืจืึทื ืฆื•ื‘ื™ื ื“. ืจื•ื˜ ื˜ืจื™ื™ืกื™ื ื’ ืฆื• microsoft.com ืกื˜ืึทืจื˜ืขื“

MTR ื’ืœื™ื™ืš ื•ื•ื™ื™ึทื–ืŸ ื“ื™ ืคึผื™ื ื’ ืฆื• ื™ืขื“ืขืจ ื‘ืึทืœืขื‘ืึธืก ืื™ืŸ ื“ืขืจ ืงื™ื™ื˜, ืื•ืŸ ื“ื™ ื“ืึทื˜ืŸ ื–ืขื ืขืŸ ืงืขืกื™ื™ื“ืขืจ ื“ืขืจื”ื™ื™ึทื ื˜ื™ืงื˜ ื‘ืฉืขืช ื“ื™ ืคึผืจืึธื’ืจืึทื ืื™ื– ืคืœื™ืกื ื“ื™ืง ืื•ืŸ ืงื•ืจืฅ-ื˜ืขืจืžื™ืŸ ืขื ื“ืขืจื•ื ื’ืขืŸ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื–ืขืŸ.
ื“ื™ ืกืงืจืขืขื ืฉืึธื˜ ื•ื•ื™ื™ื–ื˜ ืึทื– ื ืึธื“ืข #6 ื”ืื˜ ืคึผืึทืงืึทื˜ ืœืึธืกืกืขืก, ืึธื‘ืขืจ ืื™ืŸ ืคืึทืงื˜, ื“ืึธืก ืื™ื– ื ื™ืฉื˜ ืœืขื’ืึทืžืจืข ืืžืช, ื•ื•ื™ื™ึทืœ ืขื˜ืœืขื›ืข ืจืึธื•ื˜ืขืจืก ืงืขื ืขืŸ ืคืฉื•ื˜ ืึทื•ื•ืขืงื•ื•ืึทืจืคืŸ ืคึผืึทืงื™ืฅ ืžื™ื˜ ืึท ืื•ื™ืกื’ืขื’ืื ื’ืขืŸ TTL ืื•ืŸ ื ื™ืฉื˜ ืฆื•ืจื™ืงืงื•ืžืขืŸ ืึท ื˜ืขื•ืช ืขื ื˜ืคืขืจ, ืึทื–ื•ื™ ื“ื™ ืคึผืึทืงืึทื˜ ืึธื ื•ื•ืขืจ ื“ืึทื˜ืŸ ืงืขื ืขืŸ ื–ื™ื™ืŸ ืื™ื’ื ืึธืจื™ืจื˜ ื“ืึธ.

ื•ื•ื™ืคื™ ื•ื•ืก ืงืึทื‘ืœืข

ืคื™ื™ื˜ื™ื ื’ ืคึฟืึทืจ ืžื™ืœื™ืกืขืงืึทื ื“ื–. ื•ื•ื™ ืฆื• ืงืœื™ื™ึทื‘ืŸ ืึท ืกืขืจื•ื•ืขืจ ืžื™ื˜ ื“ื™ ืœืึธื•ืึทืกื˜ ืคึผื™ื ื’
ื“ื™ ื˜ืขืžืข ืื™ื– ื ื™ืฉื˜ ืœืขื’ืึทืžืจืข ื‘ืึทื˜ื™ื™ึทื˜ื™ืง ืฆื• ื“ืขื ืึทืจื˜ื™ืงืœ, ืึธื‘ืขืจ ืื™ืŸ ืžื™ื™ืŸ ืžื™ื™ื ื•ื ื’ ืขืก ืื™ื– ื–ื™ื™ืขืจ ื•ื•ื™ื›ื˜ื™ืง ืื™ืŸ ื“ืขื ืงืึธื ื˜ืขืงืกื˜ ืคื•ืŸ ื“ื™ืœื™ื™ื–. ืื™ืš ื˜ืึทืงืข ืœื™ื‘ืข WiFi, ืึธื‘ืขืจ ืื•ื™ื‘ ืื™ืš ื”ืึธื‘ืŸ ืืคื™ืœื• ื“ื™ ืžื™ื ื“ืกื˜ืข ื’ืขืœืขื’ื ื”ื™ื™ื˜ ืฆื• ืคืึทืจื‘ื™ื ื“ืŸ ืฆื• ื“ื™ ืื™ื ื˜ืขืจื ืขื˜ ืžื™ื˜ ืึท ืงืึทื‘ืœืข, ืื™ืš ื•ื•ืขืœ ื ื•ืฆืŸ ืขืก. ืื™ืš ืื•ื™ืš ืฉื˜ืขื ื“ื™ืง ื“ื™ืกืงืขืจื™ื“ื–ืฉื“ ืžืขื ื˜ืฉืŸ ืคื•ืŸ ื ื™ืฆืŸ WiFi ืงืึทืžืขืจืึทืก.
ืื•ื™ื‘ ืื™ืจ ืฉืคึผื™ืœ ืขืจื ืกื˜ ืึธื ืœื™ื™ืŸ ืฉื•ื˜ืขืจื–, ืกื˜ืจื™ืžื™ื ื’ ื•ื•ื™ื“ืขื ืึธื“ืขืจ ื”ืึทื ื“ืœ ืื•ื™ืฃ ื“ืขืจ ื‘ืขืจื–ืข: ื‘ื™ื˜ืข ื ื•ืฆืŸ ื“ื™ ืื™ื ื˜ืขืจื ืขื˜ ื“ื•ืจืš ืงืึทื‘ืœืข.

ื“ืึธ ืก ืึท ื•ื•ื™ื–ืฉืึทื•ื•ืึทืœ ืคึผืจืึธื‘ืข ืฆื• ืคืึทืจื’ืœื™ื™ึทื›ืŸ WiFi ืื•ืŸ ืงืึทื‘ืœืข ืงืึทื ืขืงืฉืึทื ื–. ื“ืึธืก ืื™ื– ืึท ืคึผื™ื ื’ ืฆื• ื“ื™ ื•ื•ื™ืคื™ ืจืึทื•ื˜ืขืจ, ื“ืึธืก ืื™ื–, ื ื™ืฉื˜ ืืคื™ืœื• ื“ื™ ืื™ื ื˜ืขืจื ืขื˜ ื ืึธืš.

ืคื™ื™ื˜ื™ื ื’ ืคึฟืึทืจ ืžื™ืœื™ืกืขืงืึทื ื“ื–. ื•ื•ื™ ืฆื• ืงืœื™ื™ึทื‘ืŸ ืึท ืกืขืจื•ื•ืขืจ ืžื™ื˜ ื“ื™ ืœืึธื•ืึทืกื˜ ืคึผื™ื ื’
(ืงืœื™ืงืงืึทื‘ืœืข) ืคืึทืจื’ืœื™ื™ึทืš ืคื•ืŸ ืคึผื™ื ื’ ืฆื• ืึท ื•ื•ื™ืคื™ ืจืึทื•ื˜ืขืจ ื“ื•ืจืš ืงืึทื‘ืœืข ืื•ืŸ ื•ื•ื™ืคื™

ืขืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื–ืขืŸ ืึทื– ืื™ื‘ืขืจ WiFi ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืื™ื– 1ms ืžืขืจ ืื•ืŸ ืžืืœ ืขืก ื–ืขื ืขืŸ ืคึผืึทืงื™ืฅ ืžื™ื˜ ื“ื™ืœื™ื™ื– ืฆืขืŸ ืžืืœ ืžืขืจ! ืื•ืŸ ื“ืึธืก ืื™ื– ื‘ืœื•ื™ื– ืึท ืงื•ืจืฆืขืจ ืฆื™ื™ื˜. ืื™ืŸ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืฆื™ื™ื˜, ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืจืึทื•ื˜ืขืจ ื˜ืจืื’ื˜ ืกื˜ืึทื‘ื™ืœ ื“ื™ืœื™ื™ื– ืคื•ืŸ <1ms.

ืื™ืŸ ื“ืขื ื‘ื™ื™ึทืฉืคึผื™ืœ ืื•ื™ื‘ืŸ, WiFi 802.11n ื‘ื™ื™ 2.4GHz ืื™ื– ื’ืขื ื™ืฆื˜, ื‘ืœื•ื™ื– ืึท ืœืึทืคึผื˜ืึทืคึผ ืื•ืŸ ืึท ื˜ืขืœืขืคืึธืŸ ื–ืขื ืขืŸ ืงืึธื ื ืขืงื˜ืขื“ ืฆื• ื“ื™ WiFi ืึทืงืกืขืก ืคื•ื ื˜. ืื•ื™ื‘ ืขืก ื–ืขื ืขืŸ ื’ืขื•ื•ืขืŸ ืžืขืจ ืงืœื™ื™ืึทื ืฅ ืื•ื™ืฃ ื“ื™ ืึทืงืกืขืก ืคื•ื ื˜, ื“ื™ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ื•ื•ืึธืœื˜ ื–ื™ื™ืŸ ืคื™ืœ ืขืจื’ืขืจ. ื“ืึธืก ืื™ื– ื•ื•ืึธืก ืื™ืš ื‘ื™ืŸ ืึทื–ื•ื™ ืงืขื’ืŸ ืกื•ื•ื™ื˜ืฉื™ื ื’ ืึทืœืข ืึธืคื™ืก ืงืึธืžืคึผื™ื•ื˜ืขืจืก ืฆื• WiFi ืื•ื™ื‘ ืขืก ืื™ื– ืžืขื’ืœืขืš ืฆื• ื“ืขืจื’ืจื™ื™ื›ืŸ ื–ื™ื™ ืžื™ื˜ ืึท ืงืึทื‘ืœืข.

IP ืงืึทื ืขืงื˜ื™ื•ื•ื™ื˜ื™

ืึทื–ื•ื™, ืžื™ืจ ื”ืึธื‘ืŸ ื’ืขืœืขืจื ื˜ ืฆื• ืžืขืกื˜ืŸ ื“ื™ืœื™ื™ื– ืฆื• ื“ื™ ืกืขืจื•ื•ืขืจ, ืœืึธื–ืŸ ืื•ื ื“ื– ืคึผืจื•ื‘ื™ืจืŸ ืฆื• ื’ืขืคึฟื™ื ืขืŸ ื“ื™ ืงืœืึธื•ืกืึทืกื˜ ืกืขืจื•ื•ืขืจ ืฆื• ืื•ื ื“ื–. ืฆื• ื˜ืึธืŸ ื“ืึธืก, ืžื™ืจ ืงืขื ืขืŸ ื–ืขืŸ ื•ื•ื™ ื“ื™ ืจื•ื˜ื™ื ื’ ืคื•ืŸ ืื•ื ื“ื–ืขืจ ืฉืคึผื™ื™ึทื–ืขืจ ืึทืจื‘ืขื˜. ืขืก ืื™ื– ื‘ืึทืงื•ื•ืขื ืฆื• ื ื•ืฆืŸ ื“ื™ ืกืขืจื•ื•ื™ืก ืคึฟืึทืจ ื“ืขื bgp.he.net

ืคื™ื™ื˜ื™ื ื’ ืคึฟืึทืจ ืžื™ืœื™ืกืขืงืึทื ื“ื–. ื•ื•ื™ ืฆื• ืงืœื™ื™ึทื‘ืŸ ืึท ืกืขืจื•ื•ืขืจ ืžื™ื˜ ื“ื™ ืœืึธื•ืึทืกื˜ ืคึผื™ื ื’

ื•ื•ืขืŸ ืžื™ืจ ืึทืงืกืขืก ื“ืขื ืคึผืœืึทืฅ, ืžื™ืจ ื–ืขืŸ ืึทื– ืื•ื ื“ื–ืขืจ IP ืึทื“ืจืขืก ื’ืขื”ืขืจื˜ ืฆื• ื“ื™ ืึธื˜ืึทื ืึทืžืึทืก ืกื™ืกื˜ืขื ืึทืกืงืกื ื•ืžืงืก.

ื“ื•ืจืš ืงื•ืงืŸ ืื™ืŸ ื“ื™ ืงืึทื ืขืงื˜ื™ื•ื•ื™ื˜ื™ ื’ืจืึทืคื™ืง ืคื•ืŸ ืึธื˜ืึทื ืึทืžืึทืก ืกื™ืกื˜ืขืžืขืŸ, ืžื™ืจ ืงืขื ืขืŸ ื–ืขืŸ ื“ื•ืจืš ื•ื•ืึธืก ื”ืขื›ืขืจ ืคึผืจืึทื•ื•ื™ื™ื“ืขืจื– ืื•ื ื“ื–ืขืจ ืฉืคึผื™ื™ึทื–ืขืจ ืื™ื– ืคืืจื‘ื•ื ื“ืŸ ืฆื• ื“ื™ ืจืขืฉื˜ ืคื•ืŸ ื“ื™ ื•ื•ืขืœื˜. ื™ืขื“ืขืจ ืคื•ืŸ ื“ื™ ื“ืึทืฅ ืื™ื– ืงืœื™ืงืงืึทื‘ืœืข, ืื™ืจ ืงืขื ืขืŸ ื’ื™ื™ืŸ ืื™ืŸ ืื•ืŸ ืœื™ื™ืขื ืขืŸ ื•ื•ืึธืก ืกืึธืจื˜ ืคื•ืŸ ืฉืคึผื™ื™ึทื–ืขืจ ืขืก ืื™ื–.

ืคื™ื™ื˜ื™ื ื’ ืคึฟืึทืจ ืžื™ืœื™ืกืขืงืึทื ื“ื–. ื•ื•ื™ ืฆื• ืงืœื™ื™ึทื‘ืŸ ืึท ืกืขืจื•ื•ืขืจ ืžื™ื˜ ื“ื™ ืœืึธื•ืึทืกื˜ ืคึผื™ื ื’
ืงืึทื ืขืงื˜ื™ื•ื•ื™ื˜ื™ ื’ืจืึทืคื™ืง ืคื•ืŸ ื“ื™ ืึธื˜ืึทื ืึทืžืึทืก ืกื™ืกื˜ืขืžืขืŸ ืคื•ืŸ ื“ืขืจ ืฉืคึผื™ื™ึทื–ืขืจ

ืžื™ื˜ ื“ืขื ื’ืขืฆื™ื™ึทื’, ืื™ืจ ืงืขื ืขืŸ ืœืขืจื ืขืŸ ื•ื•ื™ ื“ื™ ื˜ืฉืึทื ืึทืœื– ืคื•ืŸ ืงื™ื™ืŸ ืฉืคึผื™ื™ึทื–ืขืจ, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ื”ืึธืกื˜ื™ื ื’, ื–ืขื ืขืŸ ืกื˜ืจืึทืงื˜ืฉืขืจื“. ื–ืขืŸ ื•ื•ืึธืก ืคึผืจืึทื•ื•ื™ื™ื“ืขืจื– ืขืก ืื™ื– ื’ืœื™ื™ึทืš ืงืึธื ื ืขืงื˜ืขื“ ืฆื•. ืฆื• ื˜ืึธืŸ ื“ืึธืก, ืื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• ืึทืจื™ื™ึทืŸ ื“ื™ IP ืึทื“ืจืขืก ืคื•ืŸ ื“ื™ ืกืขืจื•ื•ืขืจ ืื™ืŸ ื“ืขืจ ื–ื•ื›ืŸ ืคึฟืึทืจ bgp.he.net ืื•ืŸ ืงื•ืง ืื™ืŸ ื“ื™ ื’ืจืึทืคื™ืง ืคื•ืŸ ื–ื™ื™ืŸ ืึธื˜ืึทื ืึทืžืึทืก ืกื™ืกื˜ืขื. ืื™ืจ ืงืขื ื˜ ืื•ื™ืš ืคึฟืึทืจืฉื˜ื™ื™ืŸ ื•ื•ื™ ืื™ื™ืŸ ื“ืึทื˜ืŸ ืฆืขื ื˜ืขืจ ืึธื“ืขืจ ื”ืึธืกื˜ื™ื ื’ ืฉืคึผื™ื™ึทื–ืขืจ ืื™ื– ืงืึธื ื ืขืงื˜ืขื“ ืฆื• ืื ื“ืขืจืŸ.

ืจื•ื‘ึฟ ืคืึทืจืงืขืจ ื•ื•ืขืงืกืœ ื•ื•ื™ื™ื–ื˜ ืฆื•ืฉื˜ืขืœืŸ ืึท ืกืคึผืขืฆื™ืขืœ ื’ืขืฆื™ื™ึทื’ ื’ืขืจื•ืคืŸ ืงื•ืงืŸ ื’ืœืื–, ื•ื•ืึธืก ืึทืœืึทื•ื– ืื™ืจ ืฆื• ืคึผื™ื ื’ ืื•ืŸ ื˜ืจื™ื™ืกืจืึธื•ื˜ ืคื•ืŸ ืึท ืกืคึผืขืฆื™ืคื™ืฉ ืจืึทื•ื˜ืขืจ ื‘ื™ื™ึท ื“ื™ ื•ื•ืขืงืกืœ ืคื•ื ื˜.

ืœืžืฉืœ, ืงื•ืงืŸ ื’ืœืื– ืคึฟื•ืŸ MGTS

ืึทื–ื•ื™, ื•ื•ืขืŸ ื˜ืฉื•ื–ื™ื ื’ ืึท ืกืขืจื•ื•ืขืจ, ืžื™ืจ ืงืขื ืขืŸ ื–ืขืŸ ืื™ืŸ ืฉื˜ื™ื™ึทื’ืŸ ื•ื•ื™ ืขืก ื•ื•ืขื˜ ืงื•ืงืŸ ืคึฟื•ืŸ ืคืึทืจืฉื™ื“ืขื ืข ืคืึทืจืงืขืจ ื•ื•ืขืงืกืœ ืคื•ื ืงื˜ืŸ. ืื•ืŸ ืื•ื™ื‘ ืื•ื ื“ื–ืขืจ ืคึผืึธื˜ืขื ืฆื™ืขืœ ืงืœื™ื™ืึทื ืฅ ื–ืขื ืขืŸ ืœื™ื’ืŸ ืื™ืŸ ืึท ื–ื™ื›ืขืจ ื“ื–ืฉื™ืึทื’ืจืึทืคื™ืงืึทืœ ื’ืขื’ื ื˜, ืžื™ืจ ืงืขื ืขืŸ ื’ืขืคึฟื™ื ืขืŸ ื“ื™ ืึธืคึผื˜ื™ืžืึทืœ ืึธืจื˜ ืคึฟืึทืจ ื“ื™ ืกืขืจื•ื•ืขืจ.

ืื•ื™ืกืงืœื™ื™ึทื‘ืŸ ื“ื™ ื ื™ืจืึทืกื˜ ืกืขืจื•ื•ืขืจ

ืžื™ืจ ื‘ืึทืฉืœืึธืกืŸ ืฆื• ืคืึทืจืคึผืึธืฉืขื˜ืขืจืŸ ื“ื™ ืคึผืจืึธืฆืขื“ื•ืจ ืคึฟืึทืจ ื“ืขืจื’ื™ื™ื•ื ื’ ื“ื™ ืึธืคึผื˜ื™ืžืึทืœ ืกืขืจื•ื•ืขืจ ืคึฟืึทืจ ืื•ื ื“ื–ืขืจ ืงืœื™ื™ืึทื ืฅ ืื•ืŸ ื‘ืืฉืืคืŸ ืึท ื‘ืœืึทื˜ ืžื™ื˜ ืึธื˜ืึทืžืึทื˜ื™ืง ื˜ืขืกื˜ื™ื ื’ ืคื•ืŸ ื ื™ืจื‘ื™ื™ ืœืึธื•ืงื™ื™ืฉืึทื ื–: RUVDS ื“ืึทื˜ืŸ ืกืขื ื˜ืขืจืก.
ื•ื•ืขืŸ ืื™ืจ ื‘ืึทื–ื•ื›ืŸ ืึท ื‘ืœืึทื˜, ื“ื™ ืฉืจื™ืคื˜ ืžื™ื˜ืœืขืŸ ื“ื™ ื“ื™ืœื™ื™ื– ืคื•ืŸ ื“ื™ื™ืŸ ื‘ืœืขื˜ืขืจืขืจ ืฆื• ื™ืขื“ืขืจ ืกืขืจื•ื•ืขืจ ืื•ืŸ ื“ื™ืกืคึผืœื™ื™ื– ื–ื™ื™ ืื•ื™ืฃ ืึท ื™ื ื˜ืขืจืึทืงื˜ื™ื•ื• ืžืึทืคึผืข. ื•ื•ืขืŸ ืื™ืจ ื’ื™ื˜ ืื•ื™ืฃ ืึท ื“ืึทื˜ืŸ ืฆืขื ื˜ืขืจ, ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืžื™ื˜ ืคึผืจื•ื‘ื™ืจืŸ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ืื™ื– ื’ืขื•ื•ื™ื–ืŸ.

ืคื™ื™ื˜ื™ื ื’ ืคึฟืึทืจ ืžื™ืœื™ืกืขืงืึทื ื“ื–. ื•ื•ื™ ืฆื• ืงืœื™ื™ึทื‘ืŸ ืึท ืกืขืจื•ื•ืขืจ ืžื™ื˜ ื“ื™ ืœืึธื•ืึทืกื˜ ืคึผื™ื ื’

ืคื™ื™ื˜ื™ื ื’ ืคึฟืึทืจ ืžื™ืœื™ืกืขืงืึทื ื“ื–. ื•ื•ื™ ืฆื• ืงืœื™ื™ึทื‘ืŸ ืึท ืกืขืจื•ื•ืขืจ ืžื™ื˜ ื“ื™ ืœืึธื•ืึทืกื˜ ืคึผื™ื ื’

ื“ืขืจ ืงื ืขืคึผืœ ื ืขืžื˜ ืื™ืจ ืฆื• ื“ื™ ืœื™ื™ื˜ืึทื ืกื™ ืคึผืจื•ื‘ื™ืจืŸ ื‘ืœืึทื˜ ืคึฟืึทืจ ืึทืœืข ืื•ื ื“ื–ืขืจ ื“ืึทื˜ืŸ ืกืขื ื˜ืขืจืก. ืฆื• ื–ืขืŸ ื“ื™ ืคึผืจืึธื‘ืข ืจืขื–ื•ืœื˜ืึทื˜ืŸ, ื“ืจื™ืงื˜ ืื•ื™ืฃ ื“ื™ ื“ืึทื˜ืŸ ืฆืขื ื˜ืขืจ ืคื•ื ื˜ ืื•ื™ืฃ ื“ืขืจ ืžืึทืคึผืข

ืคื™ื™ื˜ื™ื ื’ ืคึฟืึทืจ ืžื™ืœื™ืกืขืงืึทื ื“ื–. ื•ื•ื™ ืฆื• ืงืœื™ื™ึทื‘ืŸ ืึท ืกืขืจื•ื•ืขืจ ืžื™ื˜ ื“ื™ ืœืึธื•ืึทืกื˜ ืคึผื™ื ื’

ืžืงื•ืจ: www.habr.com

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’